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What is the conversion efficiency of this 3-in-1 wireless charger?

2023/05/25

What is the conversion efficiency of this 3-in-1 wireless charger?

Q: What is the conversion efficiency of this 3-in-1 wireless charger? A: This 3-in-1 wireless charger is equipped with a proprietary power supply, and its conversion efficiency is 75-80%. This means that during the charging process, only 25-20% of the electrical energy will be converted into heat and dissipated, while the remaining electrical energy will be converted into power supply for the device, thereby improving the charging efficiency and speed.
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What is the conversion efficiency of this 3-in-1 wireless charger?

2023/05/25

What is the conversion efficiency of this 3-in-1 wireless charger?

When using a wireless charger, please pay attention to the following points:

2023/05/25

When using a wireless charger, please pay attention to the following points:

What is the maximum power of wireless charging for Apple phones?

2023/05/24

What is the maximum power of wireless charging for Apple phones?

What are the types of wireless chargers?

2023/05/24

What are the types of wireless chargers?

Shenzhen Younuo: Service attitude and technical support

2021/03/10

Shenzhen Younuo: Service attitude and technical support

What is the conversion efficiency of this 3-in-1 wireless charger?

What is the conversion efficiency of this 3-in-1 wireless charger?

25 May,2023

Q: What is the conversion efficiency of this 3-in-1 wireless charger? A: This 3-in-1 wireless charger is equipped with a proprietary power supply, and its conversion efficiency is 75-80%. This means that during the charging process, only 25-20% of the electrical energy will be converted into heat and dissipated, while the remaining electrical energy will be converted into power supply for the device, thereby improving the charging efficiency and speed.

MORE
What is the conversion efficiency of this 3-in-1 wireless charger?

What is the conversion efficiency of this 3-in-1 wireless charger?

25 May,2023

Q: What is the conversion efficiency of this 3-in-1 wireless charger? A: This 3-in-1 wireless charger is equipped with proprietary power supply, and its conversion efficiency is 75-80%. This means that during the charging process, only 25-20% of the electrical energy will be converted into heat and dissipated, while the rest of the electrical energy will be converted into power to supply the device, thereby improving the charging efficiency and speed.  

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When using a wireless charger, please pay attention to the following points:

When using a wireless charger, please pay attention to the following points:

25 May,2023

A: When using a wireless charger, please pay attention to the following points: Make sure the distance between the wireless charger and the device does not exceed 8mm, otherwise it may not charge. Avoid moving the device while charging to avoid affecting the charging effect. If the device has a case or protective cover, it is recommended to remove it before charging to avoid affecting the charging effect. Avoid using the wireless charger in high temperature or humid environments to avoid affecting the charging effect and device lifespan. If the wireless charger has abnormal conditions, such as heating or smoking, stop using it immediately and contact after-sales service.

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What is the maximum power of wireless charging for Apple phones?

What is the maximum power of wireless charging for Apple phones?

24 May,2023

What is the maximum power of wireless charging for Apple phones? Apple wireless charging generally supports up to 7.5W. Qi based wireless charging accessories seem unable to achieve this faster charging speed, and the maximum power of Qi chargers remains at 7.5 W, which is the same as the specifications provided by iPhone 11/12/13/14 and old phones. Although MagSafe chargers will be compatible with any iPhone that supports wireless charging, faster 15W wireless charging will be limited to iPhone 15 and iPhone 15 ProMax. Precautions for wireless charging iPhone 1. Please use the power adapter included with the accessory or the power adapter recommended by the manufacturer. 2. The charger needs to be placed on a horizontal surface or other location recommended by the manufacturer. 3. Place the iPhone on the charger with the device display facing up. For optimal performance, please place the phone in the center of the charger or as recommended by the manufacturer. 4. Wireless charging uses the principle of magnetic induction to charge the iPhone. Do not place any items between iPhone and charger. 5. If the iPhone vibrates (such as when notified), it may experience displacement. This may cause the charging station to stop providing power to the iPhone. If this situation often occurs, please consider turning off the vibration function, turning on "Do Not Disturb Mode", or using a protective shell to prevent movement.

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What are the types of wireless chargers?

What are the types of wireless chargers?

24 May,2023

What are the types of wireless chargers? Features of wireless chargers 1. In theory, wireless charging technology is harmless to human safety. The resonance principle used in wireless charging is magnetic resonance, which only transmits between coils that resonate at the same frequency, while other devices cannot accept the frequency band. In addition, the magnetic field used in wireless charging technology itself is harmless to the human body. But wireless charging technology is a new type of charging technology, and for Maiyuan Technology's wireless chargers, many people will worry that wireless charging technology will be like the first Wi Fi and mobile phone antenna poles, but in fact, the technology itself is harmless. 2. Wireless charging technology utilizes magnetic resonance to transmit electrical energy in the electric and magnetic fields between the charger and the device, while coils and capacitors form resonance between the charger and the device. 3. This system can be widely used in the future, such as charging areas for electric vehicles and power transmission for computer chips. The charging system developed using this technology requires only 150 times the current charging time. 4. Conversion rate has always been a concern for many people, and research by the Massachusetts Institute of Technology has shown that wireless charging technology has lower losses compared to wired charging technology. The conversion rate of wireless charging is several percentage points higher than that of wired charging. High conversion is also a key factor in the global application of wireless chargers. However, wireless charging technology is also limited by distance, and future development will inevitably need to solve the problem of precise positioning of the band and magnetic field range for long-distance transmission. 5. The core chip is one of the difficulties in the application of wireless charging technology in products. Accurate radiation range control, magnetic field frequency size, and other controls are all achieved by chips. Working principle of wireless charger The wireless charging system mainly adopts the principle of electromagnetic induction, which couples energy through coils to achieve energy transfer. As shown in the figure, during system operation, the input terminal converts AC mains power into DC power through a full bridge rectifier circuit, or directly supplies the system with 24V DC power. The DC power output after passing through the power management module is converted into high-frequency AC power through a 2M active crystal oscillator inverter to supply the primary winding. By coupling energy through two inductive coils, the secondary coil outputs electricity Flowing through the receiving conversion circuit, it changes into direct current to charge the battery. The changing magnetic field will generate a changing electric field, and the changing electric field will generate a changing magnetic field. Its magnitude is related to their rate of change, and the rate of change of the sine function is another sine function, so electromagnetic waves can propagate. The generation of induced voltage is related to the change of magnetic flux, so the changing magnetic field inside the coil generates induced voltage, thus completing the charging process. Wireless charging of mobile phones is a relatively novel charging method, and its principle is actually very simple, which is to separate the primary and secondary stages of ordinary transformers to achieve wireless purposes. Of course, the working frequency of wireless charging is relatively high, and even the iron core can be abandoned to directly transfer energy between coils.  

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Shenzhen Younuo: Service attitude and technical support

Shenzhen Younuo: Service attitude and technical support

10 Mar,2021

Shenzhen Younuo engineers and service team are willing to make every effort to assist customers in analyzing related failures, and are willing to establish long-term and mutually beneficial partnerships with customers. The company has established a complete customer exception handling program, which can effectively improve the client's requirements for product quality, yield, delivery time, and service.

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